QA Plugin Retired -- Can I keep using?

I have been successfully using the QA plugin on this site for a long time for genealogy query requests. I can't think of another plugin out there that will provide the same functionality that is NOT a forum. Will I be able to continue to use the plugin even though it is now retired?

Why DID you retire it? It is a GREAT plugin!! BTW, It says WPMU Dashboard because the plugin this question is related to isn't listed.